phys
To totally convert a given amount of mechanical energy into heat is Choose one answer. a. impossible. b. possible. c. impossible to answer without additional information. February 17, 2011 by Anonymous

algebra
how do I find the vertex of y = x^2 - 18? I got -9, -81 but that seems impossible I think I'm missing somethingNovember 16, 2010 by pat

Algebra I
Can anyone summarize the quadratic formula? I am trying to understand this for algebra without any unnecessary and overused words involved like Wikipedia and sites that give me a headache. I just want a paragraph (or more than if its impossible to paraphrase) that is straight...March 21, 2011 by Micah

geometry
Why is it impossible for a regular polygon with more than six sides to tesselate the plane? I know it has something to do with the angles, but I'm not sure what to write for this. 3 hexagons tesselate the plane and they have angles at 120, but why can't an octagon? Why is it ...December 12, 2009 by Lauren

math URGENT!!!!!!!
a certain type of candy is sold in small boxes of 8 and large boxes of 15. notice it would be impossible to buy exactly 12 candies without breaking up a box. it would also be impossible to buy 17 candies without breaking up a box. what is the greatest number of candies that it...January 22, 2013 by don

mathURGENT!!!!!!!
a certain type of candy is sold in small boxes of 8 and large boxes of 15. notice it would be impossible to buy exactly 12 candies without breaking up a box. it would also be impossible to buy 17 candies without breaking up a box. what is the greatest number of candies that it...January 26, 2013 by don

3D Shapes & Scale
Write an explanation of ONE of the following question: (your explanation should be in paragraph form and should be written for a reader who is completely unfamiliar with area/volume scale factors and the square-cube law) 1) Why can aquatic animals grow so much larger than land...May 25, 2014 by Jane

ALGEBRA
Why is it impossible to combine the expression radical 3x + 3^ radical 3x into a single term? Explain. (I'm having a real tough time with this one, can anyone here explain this to me? Thank you!) November 4, 2013 by College Student

psychology
An article in the latest issue of the Gullible Inquirer claims that a person was born with both a !@#$%^& and a clitoris. Why is that impossible? a) It is impossible to have both estrogen and testosterone. b) The clitoris does not develop until well after birth. c) A person ...October 1, 2016 by jomand

Math
Perform the indicated operation. Did I do this correct? Would the answer be undefined? 9-13/(7)(5)-35 19-13/35-35 6/0 Without grouping symbols, it is impossible to say. If you meant the question to be 9-13/(7*5-35), then yes, undefined. Without grouping symbols, it is ...June 15, 2007 by Anonymous

English
1. I find it is good that he likes helping poor people. 2. I believe it is good that he likes helping poor people. 3. I think it is good that he likes helping poor people. 4. I consider it is good that he likes helping poor people. 5. I guess it is good that he likes helping ...November 2, 2016 by rfvv

Ethics (last question)
I'm having a tough time with these two questions. I think I have it, based on the indicator, but I'm not positive that the reason that I listed is correct. Argument: 1) Anything is possible (you agree?) Therefore, it must be possible that something is impossible. This is a ...January 21, 2015 by Anna

physics- please explain
Why is the following situation impossible? A librarian lifts a book from the ground to a high shelf, doing 20.0 J of work in the lifting process. As he turns his back, the book falls off the shelf back to the ground. The gravitational force from the Earth on the book does 20.0...December 8, 2012 by Anya

physics- TEST TMRW PLS HELP!
Why is the following situation impossible? A librarian lifts a book from the ground to a high shelf, doing 20.0 J of work in the lifting process. As he turns his back, the book falls off the shelf back to the ground. The gravitational force from the Earth on the book does 20.0...December 9, 2012 by Anya

chemistry
A student adds 1.00x10^-8 moles HCl to a liter of soln. The resulting soln will be acid, basic, neutral, or impossible to determine? I believe that it is impossible to determine, because it does specify that the temperature was at 25*C. Which of the species act as a Lewis acid...February 12, 2009 by Anonymous

Algebra
A model train is made by connecting cars with possible lengths of 2 inches and 5 inches. what is the number of inches in the greatest impossible whole-number length of such a train?January 22, 2011 by Tim

math
A cylindrical can holds three equal-sized balls perfectly. Which is larger, the can's height or the can's circumference? Height Circumference Impossible to tell They are equal My choice would be "Impossible to tell" because I could envision them (1) in a very flat can that is ...March 4, 2010 by M.A.

Math
A certain football league has the following scoring system: - each field goal counts for 5 points - each touchdown counts for 3 points The only way to score points is with some combination of field goals and touchdowns. They have noticed that not every score is possible in ...October 15, 2006 by Kelly

Social
Major online job boards such as CareerBuilder or Monster have made it A) impossible to find good jobs in a specific area. B) virtually impossible not to find a job you like. C) far easier to stand out from the crowd of other applicants. D) much more difficult to stand out from...December 3, 2009 by Jake

Calculus (Continuity and Differentiability)
Okay. So I am given a graph of a derivative. From what I can gather, it looks like the function might be abs(x-2)-4. (I was not given an explicit function for g', just its graph.) The question then goes on to ask me: Is it possible, impossible, or certain that the function g ...November 12, 2011 by Mishaka

Grammar
Circle the adjectives that can be used with the nouns on the right . 1)upward 2)growing 3)recent (Problem) Upward and growing 1)steady 2)severe 3)reliable. (Supply) Sever and reliable 1)available 2)increasing 3)public. (Concern) Available and increasing 1)immediate 2)effective...June 6, 2013 by Maryam

Physics please help
A man standing on a frictionless ice throws a boomerang which returns to him. Asuuming that the boomerang can only move in a a circular path, choose the correct statement: A)Since the momentum of the man-boomerang system is conserved, the man will ocme to rest holding the ...March 31, 2011 by Kurt

Physics (please help!!!!)
A man standing on a frictionless ice throws a boomerang which returns to him. Asuuming that the boomerang can only move in a a circular path, choose the correct statement: A)Since the momentum of the man-boomerang system is conserved, the man will ocme to rest holding the ...April 1, 2011 by Kurt

algebra
e^3x-5=17 Dee: You need to use closure marks. It is impossible to decipher your questions without them. Is this: e^(3x-5)=17 e3x-5=17 or e^(3x)-5 =17 e3x-5 =17 Sorry for the confusion. It is e^(3x-5)=17 e^(3x-5)=17 Take the ln (log base e) of each side. 3x-5= ln17 3x= ln 17 + ...November 27, 2006 by dee

math
Irrational Perimeter and a Rational Area of a rectangle. a can = b can = Or, if it's impossible, explain how. Help me I'm confused.August 12, 2016 by jose

chemistry
can you check if I did the problems correctly? thanks! a soln of NaOH is prepared by dissolving 5.0g of NaOH in 500mL of water, the nadding additional water to make 1.0 L of soln. What is the pOH and pH of this soln? [OH-]=(5g/40g)mol/1L pOH=-log(1/8)=.90 [H3O+]=(1.0x10^-14)/(...February 12, 2009 by Anonymous

Math
If you have 2coins to make 30cents but you can not use a nickel? That's impossible without a nickel. Unless, if you are allowed to make more than 30 cents, then you could use 2 quarters, but if you mean 2 coins=30 cents that can't be done. That's impossible without a nickel. ...January 25, 2007 by kassandra

repost chemistry
A student adds 1.00x10^-8 moles HCl to a liter of soln. The resulting soln will be acid, basic, neutral, or impossible to determine? I believe that it is impossible to determine, because it does specify that the temperature was at 25*C. I know that a neutral pH deviates from 7...February 12, 2009 by Anonymous

math
why is it impossible to find a number between 1 and 200 that is divisible by four different prime numbers?September 16, 2008 by blake

math213
11. A student reports that it is impossible to mark a product up 150% because 100% of something is all there is. What is your response?November 3, 2009 by brina

math213
A student reports that it is impossible to mark a product up 150% because 100% of something is all there is. What is your response?November 5, 2009 by brina

math
A student reports that it is impossible to mark a product up 150% because 100% of something is all there is. What is your response? January 15, 2010 by Anonymous

Calculus - #5
If h(x) is equal to (x^2-4)/(x+2)when x ≠ –2, and h(x) is continuous for all real numbers, then what is the value of h(–2)? 0 –2 –4 2 This is impossible. There is an infinite discontinuity at x = –2.November 6, 2013 by Samantha

English
You can't fly to Canada in an hour. It's impossible. ==================== What is the meaning of 'in' in the first sentence? Does 'in' mean 'within' or 'after'?March 28, 2016 by rfvv

AP Calculus
a continuous function f has domain (1,25) and range (3,30). if f'(x) is less than 0 for all x between 1 and 25, what is f(25)? a)1 b)3 c)25 d)30 e)impossible to determine from the information givenDecember 14, 2010 by Stanley

Math
Miles said that he measured an angle of a regular polygon to be 130 degress. Explain why this result is impossible.March 17, 2011 by Allison

Math
Eugene lives in the desert in Arizona. What is the likelihood he will need an umbrella today? A. certain B. likely C. unlikely D. impossibleJune 28, 2015 by Anonymous

Math
For this problem it says to explain why an equilateral scalene triangle is impossible to draw. Would it be because not all three sides will be equal?April 9, 2016 by Jay

STATISTIC
IT IS IMPOSSIBLE TO GET 7 KINGS WHEN SELECTIONG CARDS FROM A SHUFFLED DECK. EXPRESS THE INDICATED DEGREE OF LIKELIHOOD AS A PROBABILITY VALUE BETWEEN 0 AND 1 INCLUSIVE.June 1, 2013 by MAXINE

Algebra
The (absolute value) x-20 (absolute value) is less than or equal to 6. I did it first with six positive and got x is lesss than or equal to 26. Then I made the six negative and got x is less than or equal to 14. But this is impossible for these to both be true, right? How come...October 12, 2009 by Andrea

Chem
Is this a possible quantum number: 3,2,2,-1/2 This is my thikning: n=3 so therefore l = 0-2 so therefore ml could = 2 However, many of my classmates said it was impossible. July 7, 2009 by Lena

ethics
1. Viktor Frankl states that it is ______ to define lifes meaning in broad and sweeping terms. a. Necessary. b. Easy. c. Impossible. d. Possible but very hard. August 25, 2014 by anna

ethics
Viktor Frankl states that it is ______ to define lifes meaning in broad and sweeping terms. a. Necessary. b. Easy. c. Impossible. d. Possible but very hard. November 28, 2014 by Annette

English
Hi so I read the book The Impossible Rescue by Martin Sandler and I need 3 main ideas and 3 pieces of evidence for each can someone help me I am having a really hard time?July 20, 2015 by Sarah

vocab
This summer, local children can sigh up for art class or music lessons for a confiscate fee of $3. It's impossible to take both, though, since the classes will be recessionDecember 13, 2012 by Susan

Chemistry
I need major help with balancing redox reactions. I can't seem to get this one: (in basic conditions) NBr_3(aq)=> N_2(g) + Br^-(aq) + HOBr(aq) I don't know how to split this up properly, and when I do it is like impossible to balance it. Thanks!February 29, 2016 by Betty

i dunno
Is it possible to win the impossible quiz that's on addictivegames? I odn't want to waste my time trying to figure it out if you can never win. Thanks August 25, 2007 by Bob

9gr
Is it not at all feasible to you that this guy is a genuinely good person? Which of these words is an antonym of feasible? a. understandable b. unclear c. likely d. impossibleSeptember 12, 2010 by Olga

science
Is it not at all feasible to you that this guy is a genuinely good person? Which of these words is an antonym of feasible? a. understandable b. unclear c. likely d. impossibleSeptember 12, 2010 by Olga

Microbiology
If a culture starts out with 1000 cells and after 8 hours there are 64000 cells, how many generations have occurred? A. 4 B. 32 C. 6 D. 64 E. impossible to determine March 30, 2010 by Shannon

math
Find cos x if sin x cot x = 4. I got 4 but isnt it impossible for cos to equal 4? Isnt it only supposed to range from -1 to 1? the answer choices are 1)4 2)2 3)1 4)sqrt 2August 8, 2011 by kate

Geometry
One square has twice the area of another square. Explain why it is impossible for both squares to have side lengths that are whole numbers.January 1, 2012 by Anonymous

literature
Tale of two cities Examine the theme of resurrection in the novel. Which characters are brought back to life and how? Is there any situation from which resurrection is impossible?May 6, 2012 by kim

science
A geneticist is studying a pedigree that shows the family history of a recessive genetic disease. Which of the following pedigrees shows an impossible relationship? (November 23, 2013 by emma

chemestry
How would you classify a solution if [OH-] = 4.2 x 10-8 M? A. Acidic B. Basic C. Neutral D. It is impossible to tell based on the information given would it be B? please explainMarch 16, 2016 by louren

Math
If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated. What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))? How do you figure this out?February 4, 2011 by Samantha

Math
It is raining outside when the temperature quickly drops below freezing and stays that way for several hours. What is the likelihood that the water on the ground will turn to ice. A. Certain B. Likely C. Unlikely D. ImpossibleJune 28, 2015 by Anonymous

English
Identity the verb phrase including the main verb and helping verb. I can do many activities impossible for other animals. Answer: can doJuly 22, 2016 by Kimmy

math
A student says that it is actually impossible to measure an angle, since each angle is the union of two rays that extend infinitely and therefore continue forever. What is your response?February 22, 2010 by Fredword

5th math
what is the average number of hot dogs sold? 12,12,13,17,21,22,22,22,22,30,32,37. please! show me this how to solve this problem? my last question for today.thank you very much without your help . it;s impossible to understand this problem.January 27, 2011 by pat

Algebra 2
Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible to predict the 11th term? (more then one answer.) A.Make a pattern, starting with 3, where each number is the next digit of pi (3.14159 . . .). B....April 4, 2013 by Tifini

Algebra
Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible to predict the 11th term? (more then one answer.) A.Make a pattern, starting with 3, where each number is the next digit of pi (3.14159 . . .). B....April 4, 2013 by Help Please!